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Unformatted text preview: L1 =2k C/m and L2 =-2k C/m passing through (-1,0,0) and (1,0,0), respectively, the potential is given by ( ) ( ) k r r r r V 1 2 2 1 / ln , = Where r 2 and r 1 are distances to the point from the line charges 1 and 2, respectively. 8. A volume charge distribution is given in spherical coordinates by > < = a r for a r for a r ) / ( 2 (a). Find the work required to re-arrange the charge with uniform density within the region (r<a). (b). Instead of as in part (a), find the radius of the spherical region and the charge density for which neither additional work is required nor work is made available in the redistributing the charge uniformly within the region. EE1259: Electromagnetic assignment 2...
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